Traffic flows through the Interstate 15 interchange on St. George Boulevard on Monday in St. George. Construction began Sunday night on a renovation of the interchange.

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Work crews broke ground Sunday on what will be a major overhaul of the Interstate 15 interchange on the east end of St. George Boulevard and are working through the night to mitigate the impacts on traffic.

Project managers said they are hoping to follow the nighttime schedule for most of the construction period. The $16.3 million project is scheduled to be operational by Nov. 29, the Black Friday shopping weekend after Thanksgiving.

Kevin Kitchen, public involvement officer with the Utah Department of Transportation, said the project should improve traffic flow between the freeway and ...